Cement Plant Straight Ahead

Cement Plant at Durkee, OR• Severe corrosion in the baghouse and fan.• Original epoxy coating failed shortly after start up.• Silicone coating applied next failed in less than six months• FlueGard-225 Test Plate installed August 2002.• Inspection of plate on Feb. ‘03 showed good results, made

first FlueGard application March ‘03 to 2 compartments.• Full inspection on September ‘03, results are impressive,

coated compartments and fan housing in perfect shape.Applied FlueGard-225 to two more compartments and exitduct.

• Final 10 compartments coated with FlueGard-225 duringMay 2004 with the plant in service.

• Stack to be coated during next shutdown, later in 2004.

Plant View from the Road

Baghouse First Visit August 2002

Inspecting Corrosion of Baghouse

Buckling of Bottom of Duct

Close Look at Ceiling Corrosion

Corrosion is Really Bad

Severe Corrosion Inside the Baghouse

View Inside the Stack, Severe Corrosion

FlueGard-225 Test Plate, Aug.’02

Test Plate, February 2003

Close View of Plate, FlueGard-225 Looks Good

March ‘03, Sandblasting in Progress

Corner after sandblast

Damaged Area After Welding

Walls Clean, Ready to Coat

Compartment Ready to Install the Bags

Finishing the Fan Housing

Inspection September ‘03, Baghouse Looks Perfect

Fan Inspection, Well Protected

Working on Compartments # 9, 10 and 11Plant in Operation, May 2004

Airless Spray Pumps, Working Hard

Inside Patch on #12

#12 Coated with FlueGard-225

#11 Right Side, Ready to Cure

#10 Looking Up

#10, Very Good